I get asked this a lot while digging through my figure boxes and wishlist: whether there are official Freya items really depends on which Freya you mean. There are a handful of characters named Freya across games and anime, and some of them have seen official merchandise while others haven’t. For example, if you’re thinking of the Freya from an older JRPG like the one in 'Final Fantasy IX', that character has popped up in official figure lines and merchandise over the years. But for newer or more obscure Freyas, the situation can be hit-or-miss.
When I hunt for a specific character I usually check the publisher’s and the major manufacturers’ sites first — Good Smile Company, Kotobukiya, Bandai Spirits, Aniplex, and Square Enix’s shop are good starting points. If nothing is listed there, MyFigureCollection.net and official Twitter feeds for the game/anime often capture announcements. I’ve tracked down limited-run prize figures and exclusive event items that way. Also keep an eye on secondhand Japanese markets like Mandarake or Yahoo! Auctions — I once found a sealed Freya prize figure that wasn’t reissued outside Japan.
If you tell me which Freya you mean, I can look up recent releases, scales (1/7, 1/8, Nendoroid, prize, etc.), and where to buy safely. Personally, I love the chase of a rare figure, but I also try to avoid bootlegs by confirming the manufacturer and checking seller photos and packaging details.